| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] have [vb pp] back [prep] a | 12 |
|
| 2 | [pron] have come back [prep] a | 6 |
|
| 3 | [pron] had [vb pp] back [prep] a | 5 |
|
